31. Which of the following best describes the main point of this passage?
Your Answer is
Correct Answer is D
Explanation
This article is devoted to various studies and discoveries about octopi. Item D fits the question.
Item A: The focus is on the characteristics of the octopi itself, rather than the relationship with other marine organisms.
Item B: Wrong topic of discussion, not humans, but octopi.
Item C: It is not mentioned in the text.